We are offering ammonium pyrrolidine dithiocarbamate ar c5h12n2s2 m.w. 164.29 min. Assay(ex s) 99% max. Limits of impurities : sulphated ash 0.05% iron(fe) 0.0001% lead(pb) 0.0001% cas no : 5108-96-3 un no. Nr tariff : 2930 10 00 r : 363738 s : 26-36 f :